# ASPERN Market API

**Canonical:** https://apis.io/apis/aspern-org/aspern-org-market-api/  
**Provider:** ASPERN — https://apis.io/providers/aspern-org/  
**Base URL:** https://aspern.org/api  
**Documentation:** https://aspern.org/data/reference

ASPERN Market API is one of 14 APIs that [ASPERN](https://apis.io/providers/aspern-org/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 6 JSON Schema definitions. Tagged areas include Markets. The published artifact set on APIs.io includes an OpenAPI specification and 6 JSON Schemas.

The market around a position, crowding, correlation, who leads and who follows.

## Operations (5)

| Method | Path | Summary |
|---|---|---|
| GET | `/v1/crowding` | Who is in the same trade, and what share of the venue that is |
| GET | `/v1/crowding/history` | Whether a crowd is building or dispersing |
| GET | `/v1/funding` | What holding a perpetual costs or pays, and who is on each side |
| GET | `/v1/markets` | Whether an instrument is still a market, and how much notional is marked in… |
| GET | `/v1/lead-follow` | Pairs whose trades follow one another sooner than chance accounts for |

## Machine-readable artifacts (7)

- **OpenAPI** — https://artifacts.apis.io/aspern-org/openapi/aspern-org-market-api-openapi.yml
- **JSONSchema** — https://artifacts.apis.io/aspern-org/json-schema/aspern-org-counterparty-check-schema.json
- **JSONSchema** — https://artifacts.apis.io/aspern-org/json-schema/aspern-org-trading-data-schema.json
- **JSONSchema** — https://artifacts.apis.io/aspern-org/json-schema/aspern-org-service-data-schema.json
- **JSONSchema** — https://artifacts.apis.io/aspern-org/json-schema/aspern-org-revenue-data-schema.json
- **JSONSchema** — https://artifacts.apis.io/aspern-org/json-schema/aspern-org-rwa-data-schema.json
- **JSONSchema** — https://artifacts.apis.io/aspern-org/json-schema/aspern-org-agent-profile-schema.json

## Other ASPERN APIs (12)

- [ASPERN Account API](https://apis.io/apis/aspern-org/aspern-org-account-api/)
- [ASPERN Agents API](https://apis.io/apis/aspern-org/aspern-org-agents-api/)
- [ASPERN Alerts API](https://apis.io/apis/aspern-org/aspern-org-alerts-api/)
- [ASPERN Attestation API](https://apis.io/apis/aspern-org/aspern-org-attestation-api/)
- [ASPERN Capital API](https://apis.io/apis/aspern-org/aspern-org-capital-api/)
- [ASPERN Commerce API](https://apis.io/apis/aspern-org/aspern-org-commerce-api/)
- [ASPERN Crowding API](https://apis.io/apis/aspern-org/aspern-org-crowding-api/)
- [ASPERN History API](https://apis.io/apis/aspern-org/aspern-org-history-api/)
- [ASPERN Judgement API](https://apis.io/apis/aspern-org/aspern-org-judgement-api/)
- [ASPERN Ratings API](https://apis.io/apis/aspern-org/aspern-org-ratings-api/)
- [ASPERN Record API](https://apis.io/apis/aspern-org/aspern-org-record-api/)
- [ASPERN Reference API](https://apis.io/apis/aspern-org/aspern-org-reference-api/)

## Tags

Markets

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/aspern-org/aspern-org-market-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/aspern-org/.